Wiping sheet and production thereof

Details Wiping sheet and production thereof Wiping sheet and production thereof

1998-03-04

2000-04-25

Weisberger, Richard

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

442361, 442381, 442382, 442391, 442401, 428198, B32B 508

Patent

active

060542020

ABSTRACT:
Disclosed herein is a wiping sheet composed of two pieces of spunlace nonwoven fabrics containing heat-shrinkable fiber which are fusion-bonded together with fusion-bonding lines which extend in the cross direction perpendicular to the machine direction. The fusion-bonding lines are formed such that their pitch in the machine direction is shorter than one half of the fiber length so that each fusion-bonding line intersects a single fiber at 3 or more points. This structure prevents surface fluffing and imparts a high surface frictional strength and a high bending resistance for comfortable wiping work.

REFERENCES:
patent: 3507943 (1970-04-01), Such et al.
patent: 4623575 (1986-11-01), Brooks et al.

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